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Synchronous driving device with one motor for driving two mechanisms

A technology of synchronous driving and driving parts, which is applied in transmission devices, electromechanical devices, gear transmission devices, etc., and can solve the problem of high cost

Pending Publication Date: 2021-05-18
DEWERTOKIN TECHNOLOGY GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of the related technologies mentioned above, the inventor believes that there are the following defects: controlling the synchronous lifting of the two linear actuators needs to control the synchronization of the two motors through the software and hardware in the control box, resulting in high cost

Method used

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  • Synchronous driving device with one motor for driving two mechanisms
  • Synchronous driving device with one motor for driving two mechanisms
  • Synchronous driving device with one motor for driving two mechanisms

Examples

Experimental program
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Effect test

Embodiment 1

[0040] refer to figure 1 and figure 2 , a synchronous driving device with one electric drive and two drives includes two hollow shells 1, and the two shells 1 can be fixedly connected with the mounting plate arranged on the electric furniture, and in some embodiments, also It can be hinged connection with cylindrical pin. The casing 1 is fixedly connected with the telescopic mechanism 2, and the telescopic mechanism 2 can be fixed to the casing 1 by screws, or can be slotted on the side wall of the casing 1 to clamp and fix the telescopic mechanism 2 to the casing 1. The telescoping mechanism 2 includes a screw rod, and one end of the screw rod extends into the inner cavity of the housing 1 . Both housings 1 are provided with a transmission mechanism 3, and the transmission mechanism 3 is connected to one end of the screw rod. A linkage rod 4 is connected between the two housings 1, and the two ends of the linkage rod 4 are respectively connected to the transmission mechan...

Embodiment 2

[0060] refer to Figure 7 The difference between this embodiment and Embodiment 1 is that: the mounting plate installed on the electric furniture is connected with a mounting shell 81 by screws, the mounting shell 81 is hollow, and the driving mechanism 5 includes a driving mechanism fixedly connected to the mounting shell 81. The motor 8, in this embodiment, the drive motor 8 is fixedly connected to the installation shell 81 by screws. The output shaft of the driving motor 8 extends into the inner cavity of the installation shell 81 and is connected with a first driving member 82 .

[0061] In this embodiment, the first driving member 82 is a worm, and the second driving member 83 is a worm helical gear; in other embodiments, the first driving member 82 and the second driving member 83 can also be two mutually meshing bevel gears.

Embodiment 3

[0063] The difference between this embodiment and Embodiment 1 is that the rotating shaft 53 is rotatably connected to the housing 1, and the two ends of the rotating shaft 53 are connected to bearings, so that the outer ring of the bearing is fixed to the housing 1, and the second engaging member 54 is engaged with the third engaging member 54. The parts 55 are all fixed on the rotating shaft 53, so that when the first engaging part 52 drives the second engaging part 54 to rotate, the third engaging part 55 rotates synchronously, so that the linkage rod 4 can drive the two telescopic mechanisms 2 up and down synchronously.

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Abstract

The invention relates to a synchronous driving device with one motor for driving two mechanisms, and relates to the field of drivers. The synchronous driving device comprises two shells, two transmission mechanisms, a linkage rod and a driving mechanism, and the shells are hollow; the shells are connected with telescopic mechanisms, each telescopic mechanism comprises a lead screw, and one ends of the lead screws extend into the shells; each transmission mechanism comprises a first transmission part rotatably connected with the interior of the shell, the lead screws are fixedly connected with second transmission parts, and the first transmission parts and the second transmission parts are staggered gears which are meshed with each other; the linkage rod is arranged between the two shells, and the two ends of the linkage rod are connected to the first transmission parts separately; and the driving mechanism acts on the linkage rod, and is used for driving the linkage rod to rotate. According to the synchronous driving device, the two telescopic mechanisms can be driven by one driving mechanism to synchronously rise and fall, the concentricity of the two telescopic mechanisms is improved, the transmission noise is effectively reduced, and meanwhile the effects of reducing the cost and improving the efficiency are achieved.

Description

technical field [0001] The present application relates to the field of drives, in particular to a synchronous drive device with one electric drive and two drives. Background technique [0002] With the continuous development and progress of the society, electric beds, electric sofas and medical beds all have liftable functions to meet the various needs of users. Among them, the electric bed, electric sofa and medical bed are all equipped with linear drives. The linear drive includes a power source and a telescopic mechanism. The telescopic mechanism includes a screw, a screw nut, a push rod bracket and a telescopic rod. , so that the screw nut drives the telescopic rod up and down, so the driver plays an important role in the use of electric furniture. In the working condition where two drivers are required to lift synchronously, usually a driver motor with a Hall is installed in the two linear drivers. When the two drivers work at the same time, the CPU in the control box ...

Claims

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Application Information

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IPC IPC(8): F16H1/20H02K7/116A47C17/86A61G7/05
CPCF16H1/203H02K7/1163H02K7/1166A47C17/86A61G7/05H02K16/00A61G7/018F16H1/225F16H1/222F16H1/24F16H57/039
Inventor 吕佐朝李龙陈春奇徐宝伟叶怡婷沈斌
Owner DEWERTOKIN TECHNOLOGY GROUP CO LTD
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